Showing 641 - 660 results of 4,366 for search '"optics"', query time: 0.14s Refine Results
  1. 641

    Analysis of Lens Thickness Distribution Based on Swept-Source Optical Coherence Tomography (SS-OCT) by Xi Feng, Yong Wang, Jianheng Liang, Yali Xu, Julio Ortega-Usobiaga, Danmin Cao

    Published 2021-01-01
    “…This study aimed to analyze the distribution of lens thickness (LT) and its associations in age-related cataract patients based on swept-source optical coherence tomography (SS-OCT). Methods. This cross-sectional study included 59,726 Chinese age-related cataract patients. …”
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  2. 642

    A combination of topical and systemic administration of brimonidine is neuroprotective in the murine optic nerve crush model. by Ruta Maciulaitiene, Giedrius Kalesnykas, Dainius Haroldas Pauza, Ingrida Januleviciene

    Published 2024-01-01
    “…Glaucoma is a multifactorial optic neuropathy that primarily affecting retinal ganglion cells (RGC). …”
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  3. 643

    Late-time Optical and X-Ray Emission Evolution of the Oxygen-rich SN 1996cr by Daniel Patnaude, Kathryn E. Weil, Robert A. Fesen, Dan Milisavljevic, Ralph P. Kraft

    Published 2025-01-01
    “…Here we present late-time, multiepoch optical and Chandra X-ray spectra of the core-collapse SN, SN 1996cr. …”
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  4. 644

    Thermal Aging of Asahi SB-1000 Polymer Optical Fibers: Study on the Light Transmission Loss by Laura Helena González Trueba, Varlen Grabski, Larissa Alexandrova, Carla Aguilar Lugo

    Published 2024-01-01
    “…Different samples of Asahi model SB-1000 polymer optical fibers arranged at different curvatures were aged to predict the loss of light transmission over 10 years. …”
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  5. 645

    Using Anterior Segment Optical Coherence Tomography to Monitor Disease Progression in Peripheral Ulcerative Keratitis by Aakriti Garg, Joaquin De Rojas, Priya Mathews, Albert Hazan, James Lin, Danielle Trief, Leejee H. Suh

    Published 2018-01-01
    “…We report two cases of peripheral ulcerative keratitis (PUK) imaged with anterior segment optical coherence tomography (AS-OCT). The first patient had prolonged nonsteroidal anti-inflammatory drug use, while the second had inflammatory arthritis by laboratory findings without any systemic findings as well as possible concurrent tuberculosis. …”
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  6. 646
  7. 647

    Optimal Design of a Secondary Optical Element for a Noncoplanar Two-Reflector Solar Concentrator by Yi-Cheng Chen, Chia-Chi You

    Published 2015-01-01
    “…This paper presents the results of a parametric design process used to achieve an optimal secondary optical element (SOE) in a noncoplanar solar concentrator composed of two reflectors. …”
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  8. 648
  9. 649

    Nonlinear Noise Compensation in an Integration System of Fiber-Wireless Communication and Free Space Optical Communication by Long Chen, Miao Liu, Zhijun Tang

    Published 2020-01-01
    “…We propose and experiment an integration system of fiber-wireless communication and free space optical (FSO) communication based on nonlinear noise compensation. …”
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  10. 650

    Significance of Hyperreflective Foci as an Optical Coherence Tomography Biomarker in Retinal Diseases: Characterization and Clinical Implications by Serena Fragiotta, Solmaz Abdolrahimzadeh, Rosa Dolz-Marco, Yoichi Sakurada, Orly Gal-Or, Gianluca Scuderi

    Published 2021-01-01
    “…Hyperreflective foci (HRF) is a term coined to depict hyperreflective dots or roundish lesions within retinal layers visualized through optical coherence tomography (OCT). Histopathological correlates of HRF are not univocal, spacing from migrating retinal pigment epithelium cells, lipid-laden macrophages, microglial cells, and extravasated proteinaceous or lipid material. …”
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  11. 651

    Use of Fourier-Domain Optical Coherence Tomography to Evaluate Anterior Stromal Opacities in Donor Corneas by Matthew R. Bald, Christopher Stoeger, Joshua Galloway, Maolong Tang, Jeffrey Holiman, David Huang

    Published 2013-01-01
    “…To evaluate Fourier-domain optical coherence tomography (FD-OCT) as an adjunct to traditional slit lamp examination of donor corneas with suspected Anterior Stromal Opacities. …”
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  12. 652

    INVESTIGATION OF ASYNCHRONOUS OPTICAL COMMUNICATION CHANNEL THROUGHPUT CONTAINING A RECEIVER ON THE BASIS OF PHOTON COUNTER by I. R. Gulakov, A. O. Zenevich, A. M. Timofeev, A. G. Кosari

    Published 2015-03-01
    “…A mathematical model of asynchronous optical communication channel with a photon counter applied as a receiving module has been built. …”
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  13. 653

    Study on the Electronic Structures and Optical Properties in Four Directions of Si-NWs Modified by Oxygen Atoms by Xue-Ke Wu, Song Zhang, Yan-Lin Tang

    Published 2024-01-01
    “…The results show that the geometries, band structures, and optical properties of the Si-NWs are affected by the modification of oxygen atoms. …”
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  14. 654

    Three Cases of Arteritic Anterior Optic Neuropathy Several Months after COVID-19 Vaccination by Yuichi Yamamoto, Ken Ogino, Satoshi Yasuhara, Yu Kawashima, Toshiya Miki

    Published 2023-01-01
    “…Here, we describe three Japanese cases of arteritic anterior ischaemic optic neuropathy (AAION) following COVID-19 vaccination. …”
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  15. 655
  16. 656
  17. 657

    Evaluation of the Threshold for an Improved Surface Water Extraction Index Using Optical Remote Sensing Data by Fajar Yulianto, Dony Kushardono, Syarif Budhiman, Gatot Nugroho, Galdita Aruba Chulafak, Esthi Kurnia Dewi, Anjar Ilham Pambudi

    Published 2022-01-01
    “…In this study, we proposed an automatic water extraction index (AWEI) threshold improvement model that can be used to detect lake surface water based on optical remote sensing data. An annual Landsat 8 mosaic was created using the Google Earth Engine (GEE) platform to obtain cloud-free satellite image data. …”
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  18. 658

    Effective optical and treatment zone analysis by means of cross-over differences after lenticule extraction by Hamed Haidari, Victor Derhartunian, Thomas Magnago, Maren-Christina Lengle, Samuel Arba-Mosquera

    Published 2025-01-01
    “…Purpose: To determine the size of the effective optical and treatment zones after lenticule extraction procedures. …”
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  19. 659
  20. 660

    On the Performance of Energy Harvesting Dual-Hop Free-Space Optical Communication Systems with Secrecy Analysis by Abdulgani A. Ibrahim, Serdar Özgür Ata, Lütfiye Durak-Ata

    Published 2025-01-01
    “…In this study, we present a dual-hop decode-and-forward relaying-based free-space optical (FSO) communication system. We consider utilizing simultaneous lightwave information and power transfer (SLIPT) with a time-splitting technique at the relay, where the direct current component of the received optical signal is harvested as a transmit power for the relay. …”
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